Color

#12ca12

#12ca12
hex#12ca12
rgbrgb(18, 202, 18)
hslhsl(120, 84%, 43%)
oklchoklch(0.728 0.243 142.6)
Closest name: Demeter Green (#02cc02)Relative luminance 0.4241

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ca12ca

#6eca12 · #12ca6e

#1212ca · #ca1212

Split-complementary

Open in tool →

#6e12ca · #ca126e

#126eca · #ca12ca · #ca6e12

Contrast

#12ca12 as textRatioAAAA largeAAAFix
Aaon white
2.21:1failfailfail
  • AA: use #0c880c as the text (4.62:1)
  • AAA: use #096709 as the text (7.11:1)
  • AA: or shift the background to #424242 (4.54:1)
  • AAA: or shift the background to #242424 (7.01:1)
Aaon black
9.48:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12ca12 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #12ca12
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #12ca12 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12ca12-a2bea5-994edf-1f2d25-edf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md